Pollution

The suburb built on 20,000 tonnes of toxic waste. Video, 00:04:49The suburb built on 20,000 tonnes of toxic waste

Air pollution is even worse than we thought - WHO

River pollution group demands poultry firms act

Sunnyside Ocean Defenders. The L.A.B Scotland. Video, 00:06:12Sunnyside Ocean Defenders

Investigation after blue substance kills river fish

Demolition to start on Wales' most polluted street

Chemicals found in Fermanagh river after fish kill

Barriers protecting wildlife after fire vandalised

Giant poo emoji models floated along river

Stream polluted and fish die after recycling fire

Toxic leak from Angola diamond mine kills 12

Oil slick from Syria spreads across Mediterranean

A final good riddance to leaded petrol. Newsday. Audio, 00:02:46A final good riddance to leaded petrol

Most polluted street demolition delays criticised

Did this huge fire kill hundreds of fish? Video, 00:01:13Did this huge fire kill hundreds of fish?

Water pollution from mines could cost Wales £282m

CFC ban reduced global warming, say scientists

'We were continuously in and out of hospital' Video, 00:01:00'We were continuously in and out of hospital'

Stream turning blue sparks investigation

'I'm just not ready to buy an electric car'

Welsh technology to help US shipwreck clean-up

'This is my coffin, this is why I swim with it' Video, 00:02:14'This is my coffin, this is why I swim with it'

Swimmers warned over river sewage and pollution